diff --git a/.tool-versions b/.tool-versions
index d70ca2f..83d3f70 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-golang 1.21.3
+golang 1.21.4
diff --git a/Dockerfile b/Dockerfile
index a8c8dd9..8156901 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN make yarn
 COPY ./ui/ ./ui/
 RUN make build-ui
 
-FROM golang:1.21.3-bookworm@sha256:d0214956a9c50c300e430c1f6c0a820007ace238e5242c53762e61b344659e05 as build
+FROM golang:1.21.4-bookworm@sha256:52362e252f452df17c24131b021bf2ebf1c9869f65c28f88ddb326191defea9c as build
 WORKDIR /build
 
 COPY Makefile ./Makefile